he's seen as a top foreign policy adviser to the president. he would be obama's fifth chief of staff. >>> all right. feeling a little drowsy this morning? you're in good company. new research from harvard medical school finds about one-third of all workers just aren't getting enough sleep to work at peak efficiency. and that's costing u.s. companies more than $63 billion a year in lost productivity. richard lui is here with a drill down on third pun of the day, an eye-opening report. >> it is. and this is a sign of the times. >> i'm sorry. it's friday. >> not the puns but this. sleep pods are not a common sight at most businesses. with the cost of sleepy workers rising, the metro nap energy pod is becoming more popular. and devices like that. google has $13,000 lounges like that on its campus. now others are investing in sleep programs according to "the wall street journal." shuteye shortage has hit our capital, too. vice president biden had a 30-second blink during an obama speech while tim geithner fought the long blink with rapid fire right